# thiosulfide

> English word · Noun

## Definitions
1. The anion S=S⁻ or radical S=S-

## Etymology
From thio- + sulfide.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/thiosulfide